[Bug 1717975] Re: No error details shown when grub-install fails

[Brian Murray]

** Tags added: zesty

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https://bugs.launchpad.net/bugs/1717975

Title:
  No error details shown when grub-install fails

Status in debian-installer package in Ubuntu:
  Confirmed

Bug description:
  I attempted to install Ubuntu 17.04 server. The install stopped because grub-install (i.e. grub-install /dev/sda) failed. Something like this:
     Unable to install GRUB in /dev/sda
     Executing `grub-install /dev/sda` failed.
     This is a fatal error.

  However, no error details were shown. This made debugging very
  difficult.

  Only when I ran grub-install from the shell prompt, I was able to see why:
  grub-install: warning: Attempting to install GRUB to a disk with multiple partition labels.  This is not supported yet..
  grub-install: error: embedding is not possible, but this is required for RAID and LVM install.

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